Home / 12,727.40-17,580.63-10,609.85

Finding the Fourth Proportional to 12,727.40, 17,580.63 and 10,609.85

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Solution

The fourth proportional to 12,727.40, 17,580.63 and 10,609.85 is: 14,655.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,727.40 : 17,580.63 = 10,609.85 : x
  2. Step 2: Convert to fraction form
    12,727.40/17,580.63 = 10,609.85/x
  3. Step 3: Cross multiply
    12,727.40x = 17,580.63 × 10,609.85
  4. Step 4: Simplify right side
    12,727.40x = 186,527,759.30
  5. Step 5: Solve for x
    x = 186,527,759.30/12,727.40
  6. Step 6: Final answer
    x = 14,655.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.